305-070-520-203

Edgeboard Connectors Overview

The EDAC Inc. 305-070-520-203 is a standard card edge connector featuring 70 positions arranged in a dual-row configuration. It utilizes a 3.96 mm (0.156 inch) pitch and accepts board thicknesses between 1.37 mm and 1.78 mm. The connector employs female contacts with gold plating on copper alloy substrates, providing a 5 A current rating. Designed for panel mounting, it features a green thermoplastic polyester housing and supports solder termination.

Edgeboard Connectors Feature Summary

• Dual-edge female contact design for secure board insertion
• Gold-plated copper alloy contacts ensure reliable conductivity
• Thermoplastic polyester housing provides thermal stability
• Panel mount style with vertical orientation

Edgeboard Connectors Applications

• Industrial control system backplanes
• Telecommunications equipment interconnects
• Test and measurement instrument modules

Edgeboard Connectors Procurement Notes

Verify the specific suffix codes against official EDAC documentation to confirm exact pin count, row configuration, and termination type. Ensure compatibility with target PCB thickness specifications before procurement. Cross-reference manufacturer part numbers with distributor listings to confirm current availability status and lead times.

Edgeboard Connectors Selection Notes

Select this component when a high-density 70-position interface is required for panel-mounted applications. The 3.96 mm pitch accommodates standard double-sided card edges. Verify that the mating board thickness falls within the specified 1.37 mm to 1.78 mm range to ensure proper mechanical retention and electrical contact.

Edgeboard Connectors Part Context

This part belongs to the EDAC 305 series of standard card edge connectors. The series offers various position counts and row configurations. The 305-070 variant specifically addresses high-pin-count requirements while maintaining the standard 3.96 mm spacing characteristic of the family.

Edgeboard Connectors Replacement Considerations

Direct substitutes include EDAC 305-070-520-204 and 305-070-520-278. Verify mechanical dimensions and contact plating specifications before substitution.